PairBook
HomeQQQ › QQQ vs WSO

QQQ vs WSO: Correlation

How closely do Invesco QQQ Trust (QQQ) and Watsco, Inc. (WSO) trade together? Their weekly returns over three years give a correlation of 0.43, which is moderate.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.43
moderate
Correlation (1Y)
0.34
last 12 months
Correlation (5Y)
0.51
long-run
Ann. covariance
267.0
%² · weekly, annualized

How correlated are QQQ and WSO?

Over the past 3 years, QQQ and WSO moved with a correlation of 0.43, which is moderate. The relationship has been stable: the 1-year correlation (0.34) sits close to the 3-year figure. Over 5 years the correlation is 0.51, and the annualized covariance of weekly returns is 267.0 %².

Among the 4755 assets we track against QQQ, WSO ranks #501 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 47.1 percentage points (+26.3% for QQQ against -20.8% for WSO). Risk is not evenly split, since WSO carries 1.6 times the volatility of the other side.

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

QQQ vs WSO: side by side

QQQ (Invesco QQQ Trust)WSO (Watsco, Inc.)
1-year return+26.3%-20.8%
5-year return+95.4%+28.2%
Volatility (ann.)19.6%31.9%
Beta vs S&P 5001.281.05
Max drawdown (3Y)-22.8%-44.1%
Market cap$12.9B
P/E (trailing)27.0
Dividend yield0.44%3.91%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryETF · US Growth & TechUS Listed
Higher yield: WSO 3.91% vs 0.44%Smaller drawdown: QQQ -22.8% vs -44.1%Higher 5y return: QQQ +95.4% vs +28.2%

On the fund side, QQQ sits in the Large Growth category at Invesco, with $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.

-22%0%+29%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). QQQ · WSO

Year-by-year returns

YearQQQWSO
2022-32.6%-17.7%
2023+54.9%+77.0%
2024+25.6%+13.2%
2025+20.8%-27.0%
2026+17.7%-4.8%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are QQQ and WSO good diversifiers for each other?

Reasonably. At 0.43, QQQ and WSO keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between QQQ and WSO?

As of 2026-08-27, the correlation of weekly returns between QQQ and WSO is 0.43 over 3 years, 0.34 over 1 year and 0.51 over 5 years.

Is WSO a good diversifier for QQQ?

Reasonably. At 0.43, QQQ and WSO keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.43 mean?

A reading of 0.43 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/qqq-vs-wso.json

QQQ vs WSO: 3-year weekly correlation 0.43QQQ vs WSO0.43

Embed this badge (it refreshes with the data), with attribution:

[![QQQ vs WSO correlation](https://www.pairbook.io/api/v1/badge/qqq-vs-wso.svg)](https://www.pairbook.io/pair/qqq-vs-wso/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: QQQ correlations · WSO correlations